(3GdfYeI hGdLfS (B/ s - (3SJjhGQJ, eGQis ((3GdbGgQI (B: s (3OGQ GdKbGaI , s, 1997)
Keywords: (3GdGSQI ai GdeSjMjIs; (3GdYdGbGJ GdLfSjIs